The Fuentemolinos cave (Spanish; Castilian: Cueva de Fuentemolinos) is the largest formation in a cave complex, consisting of at least twelve cavities, in the town of Puras de Villafranca belonging to the municipality of Belorado (Burgos, Spain).[1]
It has been mapped within recorded a total of 4086 meters.
Its current visit is regulated and is the subject of adventure travel.